James Samuel Shannon

CIK 1485417 · last filed 2026-05-22

James Samuel Shannon is a corporate insider who has filed 40 SEC Form 4 insider transactions across 4 companies since 2010. The most recent filing, for MNKD, was dated May 22, 2026. Across all open-market trades the lifetime net is −$1.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $216.5K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$216.5K

Companies

4

Total Filings

40

Lifetime Open-Market Net

-$1.23M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
MNKD Director 36,458 $3.66 $133.4K $0 18 2026-05-22
XLO Director 10,000 $8.31 $83.1K $92.0K 4 2026-03-30
Horizon Therapeutics Public Ltd Co (HZNP) Delisted Director 0 $116.30 $0 -$1.32M 15 2023-10-06
ENDOCYTE INC (ECYT) Delisted Director $0 3 2011-05-31

Recent Filings

40 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-22 MNKD Grant (A) $0 EDGAR
2026-03-30 XLO Buy (P) +5,000 $43.9K EDGAR
2026-03-03 MNKD Grant (A) +12,000 $39.2K EDGAR
2025-06-18 XLO Buy (P) +70,000 $48.1K EDGAR
2025-06-12 XLO Grant (A) $0 EDGAR
2025-05-16 MNKD Grant (A) $0 EDGAR
2024-06-17 XLO Grant (A) $0 EDGAR
2024-05-17 MNKD Grant (A) $0 EDGAR
2023-10-06 Horizon Therapeutics Public Ltd Co (HZNP) Delisted Disp (D) −56,794 -$6.62M EDGAR
2023-10-02 Horizon Therapeutics Public Ltd Co (HZNP) Delisted Exer (M) +11,850 $144.5K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.